Keyed removable door lock

ABSTRACT

A device for prohibiting relative movement between two adjacent structures comprising a body having a plurality of pin members extending normally therefrom. One corner of the body may be chamfered to allow the body to fit closely into a corner formed by the two structures. A pin member extending from one end of the body may be provided with a chamfer on one side of leading edge and a flange-like lip formed by the opposite side of the leading edge. Another pin member substantially perpendicular to the above-described pin member may be provided with a pivot offset from the axis thereof and carrying a flange having substantially the same external periphery as the pin member. Rotation of the pivot by a key-actuated lock in the body will cause the flange to rotate to an eccentric position relative to the pin member.

[ June 3, 1975 KEYED REMOVABLE DOOR LOCK [75] Inventor: Milton Robins, Marina Del Rey,

Calif.

[73] Assignee: Packaging Techniques, Inc., El

Segundo, Calif.

[22] Filed: Mar. 12, 1973 [21] Appl. No.: 340,320

[52] US. Cl. 70/90; 70/95; 292/288 [51] Int. Cl E05b 65/08 Field of Search 70/7, 11, 14, 90, 94, 95;

OTHER PUBLICATIONS Junkunc Brothers, 1145 W. Garfield Blvd. Chicago, 111. Lock Advertisement, date stamped Jan. 11, 1938 292-281.

Primary ExaminerAlbert G. Craig, .lr. Attorney, Agent, or FirmWilliam l-l. Pavitt, Jr.

[5 7 ABSTRACT A device for prohibiting relative movement between two adjacent structures comprising a body having a plurality of pin members extending normally therefrom. One corner of the body may be chamfered to allow the body to fit closely into a corner formed by the two structures. A pin member extending from'one end of the body may be provided with a chamfer on one side of leading edge and a flange-like lip formed by the opposite side of the leading edge. Another pin member substantially perpendicular to the abovedescribed pin member may be provided with a pivot offset from the axis thereof and carrying a flange having substantially the same external periphery as the pin member. Rotation of the pivot by a key-actuated lock in the body will cause the flange to rotate to an eccentric position relative to the pin member.

12 Claims, 3 Drawing Figures FATENTEUJUHIB 1975 1 KEYED REMOVABLE noon LOCK BACKGROUND OF THE INVENTION niques are being provided with a maximum number of windows and other light-admitting devices. Modern living habits have also given rise to a requirement that houses be well-suited to indoor-outdoor living.

These facts have resulted in the construction of a large number of buildings having sliding glass doors which may be easily opened so that people and air can quickly and easily move in and out of the building.

Unfortunately, the extended use of the sliding glass doors, as well as other openable fixtures such as large windows, marine hatches, etc., has also increased the vulnerability of such buildings or structures to illegal and/or undesired entry by humans and animals. Many of the closure devices are susceptible to being quickly and easily jimmied open and, in fact, cannot be locked against being opened unless they are in the fully closed position. In other words, the closure cannot be left even partially opened for the passage of air without creating the danger of unauthorized entry unless an additional locking device is provided.

For the sake of simplicity, the remainder of this dis: cussion will refer to the well-known sliding glass doors tive to one anothenlf the spring should break, the rod may easily slide out of the hole in the panel due to vibration, etc. Further, such locks have only presented a nuisance resistance value in that a determined housebreaker can very simply cut a small hand-hole in the glass, reach into the building, and pull the rod out of by way of illustration. Thus, the term fixed panel and movable panel will be used. However, the reader should bear in mind that the present invention and the problems which it solves are not limited to such doors. In other words, the solutions herein proposed by this invention for the problems now being discussed are equally applicable to the'locking against relative parallel movement of any elements, whatever their nature or" use.

These problems, described above have resulted in the creation of a wide variety of supplemental locks or locking devices which will prevent the door from being jimmied open whether the movable panel is fully closed or partly opened.

Some of the supplemental locking devices employ a variety of spring and/or thread systems. For example, some locking devices have been provided which basically comprise rods which are mounted between the door jamb and the rear end of the movable panel. Often, such rods may be adjusted to a variety of positions so that the panel may be locked in a fully closed position as well as in some predetermined maximum opened position. While these devices do prevent the movable panels from being opened beyond a predetermined position, they do not fully prevent unauthorized entry into the structure since, in the case of most such closure members, it is quite easy to manually lift the movable panel away from its lower track, tilt it slightly away from the track, and remove it from the wall entirely. In other words, these devices can be defeated by moving the panels perpendicular to their normal direction of motion relative to the fixed panel.

Other devices have been disclosed which comprise a base member which may be mounted on a door jamb or other structure so that a slidable rod' may pass into a hole formed in the frame of the movable panel. Some of these devices have been provided with spring-biased elements which tend to drive the slidable rod into the the hole in the panel. Whenthis has been accomplished, the deviceis no longer effective to prevent relative movement between the panels.

In U.S. Pat. No. 3,695,657 assigned to the Assignee hereof, there has been disclosed a novel slide lock device comprising a base fixture having a pair of upstanding ears through which a locking bar may be slidably moved between extended and withdrawn positions. The bar may be provided with one or more fillets so that the shackle of a padlock can be passed over the bar andbetween the upstanding ears to prevent movement of the'lbar.

- In some applications, it is aesthetically undesirable to have a padlock'mounted onsuch a locking device. In other applications, such as buildings constructed with attention to minute architectural detail, itis undesirable to have such devices mounted on the doors and visible at times when the doors are normally being used. j

Consequently, although the slide lock illustrated in U.S. Pat. No. 3,695,657 is satisfactory in many situations and provides several highly. desirable features which may outweigh any deficiencies which it might be tional structure, such as padloc ks', to provide complete security. a

Another disadvantage inherent in many of the prior I art locking devices is that they must be permanently hole in the panel. The rod must be withdrawn against mounted relative to the door, thereby preventing their temporary removal when it is desired to service or perform maintenance on the door or its frame. Although it is frequently desirable to have a lock permanently mounted so that it cannot be removed, there are instances in which it is preferable. to have the entire locking device be removable when not in use so that it does not present a displeasing appearance and does not inhibit maintenance.

Accordingly, it is necessary and desirable to provide a door lock of the type described which can be temporarily mounted and removed very quickly and simply and which is impervious when installed. It may also be preferred to provide a plurality of such devices with identical key systems so that they be actuated by means of a single key. I

SUMMARY OF THE INVENTION It is an object of the present invention to providea removable door lock which overcomes each Of the,

3 and fixed sections of the door-wall need only be provided with two or three relatively small bores at the upper or lower junction thereof. 1

In the preferred embodiment which will be described here, the device may comprise a body having a gripping pin, a locating pin, and a locking pin extending therefrom. The gripping pin may extend into a bore in the end or edge of one of the panels. Provision of a lip or flange on the gripping pin will prevent the pin from being pulled out of the bore in the plane of the panel. Rather, the entire body must be pivoted out of the plane before the gripping pin can be removed.

The locating pin may be inserted into a bore in the second panel and, if used, merely functions to locate the body relative to the panels and stabilize it to prevent any possibility of relative motion between them.

The third or locking pin may be provided with a pivot extending therethrough which may be actuated by a key-operated or other suitable lock in the housing. The pivot may be offset from the axis of the pin and attached to a movable flange which has substantially the same configuration as the pin. When the locking pin and the flange are coaxial, they may be quickly inserted through a bore in the second panel. Turning of the pivot with a key inserted into the lock can then be accomplished to turn the flange away from the coaxial relationship with the pin; it will then grip the material around the bore through which the pin is extended, thus. preventing the body from being pulled out of its operative, locking position.

Those skilled in the art will now quickly perceive that the present invention can be embodied in a device which may be quickly and easily installed to prohibit relative movement between the panels. Further, the'device is substantially impervious since it presents only a relatively rigid and strong body to any attack by a burglar or other unauthorized potential movers of the panels. Since the lock is permanently installed in the housing and can only be actuated by authorized persons, even the well-known burglars' expedient of cutting a hole in the glass in a location suitable for manual operation of the lock from the outside will not allow accomplishment of the desired result since manual actuation of the lock and removal of the device is impossible.

A device formed in accordance with the present invention may be of very simple construction and, when removed from the panels, does not require the use of special tools. Further, when the device is not in its operative position, its normal operative location is not immediately apparent to the casual viewer since the only indication of its installation is two or three holes formed in the panels in relatively unobtrusive locations.

The invention provides a true advance in the art since it can be embodied in structure which allows the accomplishment of desired results in a very strong but simplefashion. It will be realized by those skilled in the art that the invention may be employed in a wide variety of distinctive structures and that the scope of the invention should be considered to be limited only by the claims and not by the specific embodiment described here.

BRIEF DESCRIPTION OF THE DRAWING FIG. 1 comprises a top plan view of a keyed removable door lock formed in accordance with the present invention;

4 FIG. 2 comprises a front plan view of the device illustrated in FIG. I; and

FIG. 3 comprises a rear plan view of the device illustrated in FIG. 1, i.e., as seen from the opposite side thcreofillustrated in FIG. 2.

DETAILED DESCRIPTION In order to more clearly understand the full import of the invention, a single, relatively simple embodiment thereof will be described which should be considered to be illustrative only since the invention could be em ployed in a large number of distinctive forms. Regardless of the form, the purpose of the present invention is to provide a novel apparatus for preventing relative movement between a pair of panels 11 and 13 as illustrated in FIG. 1. For the sake of this discussion, it will be assumed that panel 11 is fixed and that panel 13 is movable and that both comprise panels of a glass door. It is important to note, however, that either or both of the panels could be movable and the structure which is to be locked against relative movement could be any structure of a similar nature, i.e., relatively movable in substantially parallel claims.

In any event, panel 13 may be provided with one or more predrilled openings or apertures l5, 17 in the face thereof as illustrated in FIG. 1. Similarly, panel 11 may be provided with an aperture 19 in the end surface.

In the presently preferred embodiment of the invention, a housing or body 21 may be positioned to abut the face of the panel 13 and the end surface of the panel 11. In order to prohibit interference between the close fit of the body and the panels, body 21 may be chamfered in one corner as at 23, thereby preventing the eliminated corner of the body from prohibiting close contact thereof with the face of panel 13 or interfering with weather stripping 24 between the panels 11 and 13.

Fixed to or integral with the body 21, a gripping pin 25 may be provided having a chamfered surface 27 on one side of the leading end of the pin and a flange-like lip 29 formed on the opposite side thereof. The lip 29 may be formed by undercutting the pin adjacent the body to form a slot, as at 31. Referring to FIG. 1, it can be seen that the chamfer 23 on the block 21 and the chamfer 27 on the pin 25 serve to facilitate installation of the lock as will be described later.

A second, locator pin 35 may be located on the housing in such a position as to extend through the predrilled bore 15 in the panel 13. Similarly, a third, locking pin 37 may be positioned so as to extend through the predrilled bore 17. Pin 35 may be used as a structural support pin to prevent the body from moving once it is located in its operative position. Of course, if desired pin 35 might be eliminated but its use is preferred since it increases the amount of shear force which the device can withstand.

Locking pin 37 may be provided with a pivot pin 39 extending therethrough for operation by a lock 41. If desired. the lock may be actuated by a key 43 or any other suitable actuation system; but the preferred lock illustrated positively prohibits unauthorized operation.

Regardless of the type of lock, it may be installed in the body and held in place by any suitable means such as a roll pin 44 driven into a small bore extending through the housing.

The pivot pin 39 may be properly formed so as to extend from the lock and have a rotatable flange element 47 fixed thereon. Preferably, flange element 47 has the same peripheral configuration and radial size as the pin 37.

Comparing FIGS. 1 and 3, it can be seen that in FIG. 3 flange 47 and pin 37 are coaxially related so that they can be passed: through the predrilled bore 17. Once they have been passed through the bore, the key 43 may be used to turn the lock 41, thereby causing the pivot pin 39 to rotate. If the pivot pin is suitably offset from the axis of the pin 37, it will cause flange 47 to rotate away from the coaxial relationship wtih the pin, thereby being relocated to a position such as that illustrated in FIG. 1. In that position, the flange 47 prevents the body 21 from being pulled away from the operative position. In other words, the panels 11 and 13 are locked to one another and relative movement is positively prohibited.

In use, with the panels in proper relative positions, the body 21 may be moved toward the corner or junction thereof on about a 45 angle, with gripping pin 25 extending toward the panels. The gripping pin may then be inserted into the bore 19 and the body rotated about a vertical axis, forcing pin 25 away from coaxial relationship with bore 19. The flange 29 will then grip the inner side of the panel 11 as a result of cooperation of the cut-away portion 31 with the edge of the bore 19. Pins 35 and 37 may then be inserted into their respective bores and the key actuated as previously described to rotate flange 47 to the position illustrated in FIG. 1. Consequently, the panels will be locked together and relative movement therebetween will be positively prohibited.

It will now be apparent to those skilled in the art that many modifications of this invention are possible. For example, a plurality of equally-spaced bores may be formed in the panel 13 so that pins 35 and 37 may be inserted through any two adjacent bores, thereby allowing the panels 11 and 13 to be fixed together in a plurality of different positions. This might be useful to lock a sliding glass door either in a closed position or in any of several partially or fully opened positions.

Alternatively, three parallel pins could extend through apertures in the panel 13. The pin at either end could be a pin such as that illustrated at 35 and the one in the center could be provided with a rotatable flange such as that illustrated at 47. Such a device would not prevent relative movement between the panels, unless it were installed in abutment with panel 11 when the door was closed. However, it would limit relative movement so that the panel might be freely closed or opened up to a predetermined limit. In other words, a device of this type might be utilized to allow persons who are not authorized to pass through a door to open it slightly so that fresh air might be obtained.

The illustrated embodiment and these few suggestions will clearly reveal to those skilled in the art that the present invention may be utilized in a variety of forms, all of which fall within the scope of the invention as defined in the following claims.

I claim:

1. A device for prohibiting relative movement of a pair of structures which are otherwise relatively movable comprising H a body having v, H

I a plurality of surfaces thereon which are substantially parallelto adjacent surfaces of the structures, i

a first pin means extending normally from a first of said surfaces and having chamfer means on one side of the leading edge thereof and lip means on the opposite sidethereof, and a second pin means extending normally from a second of said surfaces, said second pin means havmg 1 pivot means at the extremity thereof and offset from the axis thereof and flange means, having a substantially identical periphery as that of said pin, mounted on said pivot means.

2. The device of claim 1 including lock means fixed in said body and fixed to said pivot means.

3. The device of claim 1 wherein 0 said lip means on said first pin means is formed by undercutting said pin means on one side thereof to form a slot for gripping the periphery-of a bore through which said pin means is inserted. 4. The device of claim 1 wherein said first pin means is so located on said body as to be eccentrically related to a bore, in one of the structures, through which said first pin means is passed when said second pin means is concentrically related to a bore, in the other of the structures, through which said second pin means is passed. 5. A device for prohibiting relative movement between first and second panel members which are otherwise relatively movable along closely adjacent parallel planes, one of said panel members having a bore in an end surface thereof and the other of said panel members having at least one bore in the face thereof adjacent said one panel member, comprising a body having a first surface, a second surface, said first and second surfaces being angularly related at substantially the same angle as that angle between said end surface of said one panel and said adjacent surface of said other panel, a first pin extending substantially normally from said first surface and being eccentrically related to the bore in said one panel when said first surface is in abutment with said end surface thereof and said second surface is in abutment with said adjacent surface of said other panel, said first pin including a chamfered surface on the leading end thereof and gripping means on the opposite side thereof from said chamfered surface for gripping the wall of the bore through which said first pin is passed,

a second pin extending substantially normally from said second surface and including means thereon of like diameter and configuration as said second pin for locking said body to said second panel when said second pin is 7 passed through said at least one bore therein, and

pivot means eccentrically located in said second pin and fixed to said locking means for rotation of the latter from a first position in which it is concentric with said second pin and a second position in which it is eccentric with said second 6. The device of claim including lock means attached to said pivot means for prohibiting unauthorized operation of the latter. 7. The device of claim 5 including bevel surface means formed on said body intermediate said first and second surfaces. 8. The device of claim 5 including third pin means extending normally from said second surface for locating said body relative to a second bore in said adjacent surface of said second panel. 9. A device for prohibiting relative movement of a pair of structure which are otherwise relatively movable comprising a body having a plurality of surfaces thereon which are substantially parallel to the adjacent surfaces of the structures,

means for mounting said body on one of the structures comprising a first pin means extending from a first of said surfaces and having chamfer means on the leading end thereof and lip means on the leading end thereof opposite said chamfer means to grip the structure on which said body is mounted and prohibit relative movement therebetween, and means for preventing movement of said body relative to the other of the structures comprising a second pin means extending from a second of said surfaces and having pivot means at the extremity thereof and offset from the axis thereof and flange means, having a substantially identical periphery as that of said pin, mounted on said pivot means. 10. The device of claim 9 including lock means fixed in said body and fixed to said pivot means. 11. The device of claim 9 including a third pin means extending from said second of said surfaces for locating said body relative to the other of the structures. 12. The device of claim 9 including means for locking said flange means in a first position in which it is coaxial with said pin means and in a second position in which it is eccentrically related to said pin means. 

1. A device for prohibiting relative movement of a pair of structures which are otherwise relatively movable comprising a body having a plurality of surfaces thereon which are substantially parallel to adjacent surfaces of the structures, a first pin means extending normally from a first of said surfaces and having chamfer means on one side of the leading edge thereof and lip means on the opposite side thereof, and a second pin means extending normally from a second of said surfaces, said second pin means having pivot means at the extremity thereof and offset from the axis thereof and flange means, having a substantially identical periphery as that of said pin, mounted on said pivot means.
 1. A device for prohibiting relative movement of a pair of structures which are otherwise relatively movable comprising a body having a plurality of surfaces thereon which are substantially parallel to adjacent surfaces of the structures, a first pin means extending normally from a first of said surfaces and having chamfer means on one side of the leading edge thereof and lip means on the opposite side thereof, and a second pin means extending normally from a second of said surfaces, said second pin means having pivot means at the extremity thereof and offset from the axis thereof and flange means, having a substantially identical periphery as that of said pin, mounted on said pivot means.
 2. The device of claim 1 including lock means fixed in said body and fixed to said pivot means.
 3. The device of claim 1 wherein said lip means on said first pin means is formed by undercutting said pin means on one side thereof to form a slot for gripping the periphery of a bore through which said pin means is inserted.
 4. The device of claim 1 wherein said first pin means is so located on said body as to be eccentrically related to a bore, in one of the structures, through which said first pin means is passed when said second pin means is concentrically related to a bore, in the other of the structures, through which said second pin means is passed.
 5. A device for prOhibiting relative movement between first and second panel members which are otherwise relatively movable along closely adjacent parallel planes, one of said panel members having a bore in an end surface thereof and the other of said panel members having at least one bore in the face thereof adjacent said one panel member, comprising a body having a first surface, a second surface, said first and second surfaces being angularly related at substantially the same angle as that angle between said end surface of said one panel and said adjacent surface of said other panel, a first pin extending substantially normally from said first surface and being eccentrically related to the bore in said one panel when said first surface is in abutment with said end surface thereof and said second surface is in abutment with said adjacent surface of said other panel, said first pin including a chamfered surface on the leading end thereof and gripping means on the opposite side thereof from said chamfered surface for gripping the wall of the bore through which said first pin is passed, a second pin extending substantially normally from said second surface and including means thereon of like diameter and configuration as said second pin for locking said body to said second panel when said second pin is passed through said at least one bore therein, and pivot means eccentrically located in said second pin and fixed to said locking means for rotation of the latter from a first position in which it is concentric with said second pin and a second position in which it is eccentric with said second pin.
 6. The device of claim 5 including lock means attached to said pivot means for prohibiting unauthorized operation of the latter.
 7. The device of claim 5 including bevel surface means formed on said body intermediate said first and second surfaces.
 8. The device of claim 5 including third pin means extending normally from said second surface for locating said body relative to a second bore in said adjacent surface of said second panel.
 9. A device for prohibiting relative movement of a pair of structure which are otherwise relatively movable comprising a body having a plurality of surfaces thereon which are substantially parallel to the adjacent surfaces of the structures, means for mounting said body on one of the structures comprising a first pin means extending from a first of said surfaces and having chamfer means on the leading end thereof and lip means on the leading end thereof opposite said chamfer means to grip the structure on which said body is mounted and prohibit relative movement therebetween, and means for preventing movement of said body relative to the other of the structures comprising a second pin means extending from a second of said surfaces and having pivot means at the extremity thereof and offset from the axis thereof and flange means, having a substantially identical periphery as that of said pin, mounted on said pivot means.
 10. The device of claim 9 including lock means fixed in said body and fixed to said pivot means.
 11. The device of claim 9 including a third pin means extending from said second of said surfaces for locating said body relative to the other of the structures. 